<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<form action="/servlet_advanced/add" method="get">
		<input type="text" name="number" values="请输入1~100之间的数字" />
		
		<input type="submit" value="累加求和">
	</form>
</body>
</html>